<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74676"><span id="yui_3_16_0_ym19_1_1491241120713_74675">wow. a performance package.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_74522">i would not think over-torquing it would be a huge problem.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_74557">i think you mean compression is 150 to 155. no?</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_74648">ah screw..thermodynamics. so there is a delay in heat transfer from the explosion, to the head and block, to the water and then to the radiator. so when you come off the freeway you have a delay in cooling. </span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_74667">also heat transfer is slower the closer to each different material is to each other. ie water at 100 head at 110 will move the heat pressure slower than water at 100 head at 200.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_74651">so need to move the water quicker from the head to the radiator. the thermostat is supposed to control that. is your thermostat OK? if it is try drilling 4 or 6 holes around its perimeter.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76003">copper head gasket is OK for aluminum head. and undamaged tells me its needing to get the water from the head to the radiator quicker.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76004">not sure about the magnaflux. never had an aluminum head to know. but i dont see any reason whet it would not apply.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span>so no water in the oil and head gasket ok...must be need for speedy movement of water.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76088">try running without a thermostat.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76087">if thats good try the drill hole thing</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76090">have the radiator flow checked.</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><span id="yui_3_16_0_ym19_1_1491241120713_76091">then go to a bloody great electric fan</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521">then try a high volume water pump.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74521"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1491241120713_74520"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1491241120713_74465" style="display: block;">  <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1491241120713_74464"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1491241120713_74463"> <div dir="ltr" id="yui_3_16_0_ym19_1_1491241120713_74519"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1491241120713_74670"> <hr size="1" id="yui_3_16_0_ym19_1_1491241120713_75907"> <b id="yui_3_16_0_ym19_1_1491241120713_74669"><span style="font-weight:bold;" id="yui_3_16_0_ym19_1_1491241120713_74668">From:</span></b> Bill Beecher <bill_beecher@flash.net><br> <b><span style="font-weight: bold;">To:</span></b> 'Triumphs' <triumphs@autox.team.net> <br> <b id="yui_3_16_0_ym19_1_1491241120713_74672"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1491241120713_74671">Sent:</span></b> Tuesday, April 4, 2017 12:13 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [TR] TR4A Aluminium Head<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1491241120713_74462"><br><div id="yiv6252018063"><style><!--
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--></style><div id="yui_3_16_0_ym19_1_1491241120713_74461"><div class="yiv6252018063WordSection1" id="yui_3_16_0_ym19_1_1491241120713_74460"><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74518"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74674"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74673">Happy Monday List,</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74517"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74487"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74486"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74485">Have had a problem with some water up in the rocker area of the TR3(TR4A Motor) ever since I bought it last year.  Just now getting to a point where I can pull the head and see if I can see what the issue is.  Below are my observations:</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74482"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74484"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74483">1. Did not know it was an aluminum head until today, re-torqued it last year when I first saw this problem at 95lbs.  Learned today it should be 70lbs.</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74481"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74480"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74479">2. Runs great, compression checks out good at 150-55 across all.  But after getting up to highway speeds then coming back to town it quickly overheats and blows the water past the rad cap.</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74478"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74477"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74476">3. Cannot see any damage to the solid copper head gasket.  Is this the right type gasket for an aluminum head?</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_75823"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_75822"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_75821">4. Cannot see any damage to the head, how do you check an aluminum head?  I would think that magnaflux would not work here.</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74475"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_74474"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_74473">5. Drained and checked the oil last fall, no water present in the case.</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_74459"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_75820"><font size="2" face="Calibri" id="yui_3_16_0_ym19_1_1491241120713_75819"><span style="font-size:11.0pt;" id="yui_3_16_0_ym19_1_1491241120713_75818">Any suggestions from the collective wisdom would be greatly appreciated, seems this motor was intended for some level of performance as it also has Moss’s roller rockers. </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">Many thinks to all,</span></font></div><div class="yiv6252018063MsoNormal" id="yui_3_16_0_ym19_1_1491241120713_76008"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">Bill B</span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">TS30800L</span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div><div class="yiv6252018063MsoNormal"><font size="2" face="Calibri"><span style="font-size:11.0pt;">  </span></font></div></div></div></div><br>** <a ymailto="mailto:triumphs@autox.team.net" href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a> **<br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/yellowtr3@yahoo.com" target="_blank">http://autox.team.net/mailman/options/triumphs/yellowtr3@yahoo.com</a><br><br><br></div> </div> </div>  </div></div></body></html>